ATI Radeon X1950 XT vs HD Graphics 620

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking839not rated
Place by popularity63not in top-100
Power efficiency11.25no data
ArchitectureGeneration 9.5 (2016−2020)R500 (2005−2007)
GPU code nameKaby Lake GT2R580+
Market segmentLaptopDesktop
Release date30 August 2016 (8 years ago)17 October 2006 (18 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores192no data
Core clock speed300 MHz625 MHz
Boost clock speed1000 MHzno data
Number of transistors189 million384 million
Manufacturing process technology14 nm++90 nm
Power consumption (TDP)15 Watt96 Watt
Texture fill rate24.0010.00
Floating-point processing power0.384 TFLOPSno data
ROPs316
TMUs2416

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfaceRing BusPCIe 1.0 x16
Widthno data2-slot
Supplementary power connectorsno data1x 6-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeDDR3L/LPDDR3/LPDDR4GDDR3
Maximum RAM amount32 GB256 MB
Memory bus widthSystem Shared256 Bit
Memory clock speedSystem Shared900 MHz
Memory bandwidthno data57.6 GB/s
Shared memory+-

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsPortable Device Dependent2x DVI, 1x S-Video

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

Quick Sync+no data

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (12_1)9.0c (9_3)
Shader Model6.43.0
OpenGL4.62.0
OpenCL3.0N/A
Vulkan+N/A

Pros & cons summary


Recency 30 August 2016 17 October 2006
Maximum RAM amount 32 GB 256 MB
Chip lithography 14 nm 90 nm
Power consumption (TDP) 15 Watt 96 Watt

HD Graphics 620 has an age advantage of 9 years, a 12700% higher maximum VRAM amount, a 542.9% more advanced lithography process, and 540% lower power consumption.

We couldn't decide between HD Graphics 620 and Radeon X1950 XT. We've got no test results to judge.

Be aware that HD Graphics 620 is a notebook card while Radeon X1950 XT is a desktop one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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Intel HD Graphics 620
HD Graphics 620
ATI Radeon X1950 XT
Radeon X1950 XT

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.1 2654 votes

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4.1 25 votes

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Questions & comments

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